Home / 443,527,068.30-611,999,357.67-255,318,981.72

Finding the Fourth Proportional to 443,527,068.30, 611,999,357.67 and 255,318,981.72

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Solution

The fourth proportional to 443,527,068.30, 611,999,357.67 and 255,318,981.72 is: 352,301,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,527,068.30 : 611,999,357.67 = 255,318,981.72 : x
  2. Step 2: Convert to fraction form
    443,527,068.30/611,999,357.67 = 255,318,981.72/x
  3. Step 3: Cross multiply
    443,527,068.30x = 611,999,357.67 × 255,318,981.72
  4. Step 4: Simplify right side
    443,527,068.30x = 156,255,052,813,598,464
  5. Step 5: Solve for x
    x = 156,255,052,813,598,464/443,527,068.30
  6. Step 6: Final answer
    x = 352,301,052.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.